Best Agency For Javascript Seo

JavaScript frameworks like React, Vue, and Angular create sites where Google struggles to render and index content. Approximately 67% of JS-heavy sites have critical indexation issues they don’t know about because Google Search Console doesn’t surface rendering failures clearly. Most agencies claim JS SEO expertise but can’t debug the difference between client-side rendering problems and server-side rendering configurations. Our AI finds technical SEO specialists who have solved rendering budgets on large-scale JS applications, implemented dynamic rendering or SSR without breaking functionality, and can demonstrate before/after indexation improvements on sites with 10,000+ pages built on modern frameworks. These experts know how to use Chrome’s Lighthouse in CI/CD pipelines and have experience with Next.js, Nuxt, and other SSR frameworks.


How the Best Agency For Javascript Seo works

Provide your JavaScript framework (React/Vue/Angular/Svelte), hosting setup (Vercel, Netlify, AWS), current crawl stats from Search Console showing discovered vs. indexed pages gap, and page load metrics. Our AI evaluates agencies specifically on JS SEO competency: portfolios showing Core Web Vitals improvements on JS sites (TTI under 3.5s, TBT under 300ms), experience implementing structured data in JSON-LD within JS applications, knowledge of hydration strategies, and proven indexation fixes. You’ll see which agencies can read Chrome DevTools rendering logs, understand when to use dynamic rendering vs. static generation, have fixed Googlebot rendering timeouts, and can work with your engineering team without requiring complete architecture rewrites.

JavaScript SEO is technical, not content-based. Wrong agency will suggest ‘add more content’ when your real problem is Googlebot seeing blank pages because your Time to Interactive is 8 seconds. Google’s crawler has a rendering budget – complex JS applications hit this limit, leaving pages undiscovered. Common disasters: infinite scroll pagination that hides page 2+ from Google, filters implemented in JS that create unscannable product variations, lazy-loaded content that never renders for bots. Agencies without JS depth recommend migrating to WordPress (losing $200k+ in custom functionality) or implement ‘SEO-friendly’ changes that break production. Typical JS SEO project cost: $15,000-50,000 for implementation + $3,000-8,000 monthly. Wrong hire means wasted budget with zero indexation improvement.


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